Griggs John 4

What Happened

• John Griggs, Executive VP & CFO of Kodiak Gas Services (KGS), was granted/received a total of 64,736 restricted stock units/shares on 2026-03-08: 10,736 RSUs valued at $55.89 each ($600,035) and 54,000 performance-based RSUs converted to shares at $55.89 each ($3,018,060). The issuer withheld 26,169 shares (26,169 x $55.89 = $1,462,585) to satisfy tax withholding, leaving a net increase of 38,567 shares. Total gross value of the awards was $3,618,095; net value after withholding was about $2,155,510.

Key Details

• Transaction date: March 8, 2026; Form 4 filed March 10, 2026 (timely filing).
• Award details/prices: 10,736 RSUs @ $55.89 = $600,035; 54,000 RSUs @ $55.89 = $3,018,060; 26,169 shares withheld @ $55.89 = $1,462,585.
• Net shares added: 38,567 (64,736 granted/converted minus 26,169 withheld).
• Shares owned after the transaction: Not specified in the Form 4.
• Footnotes: F1 — the 10,736 securities are restricted stock units that vest/settle in three equal installments beginning March 8, 2027. F2 — the 54,000 were performance-based RSUs certified by the Personnel & Compensation Committee and converted to shares on a one-for-one basis with a vest date of March 8, 2026. F3 — issuer withheld shares to satisfy tax withholding obligations (share withholding).

Context

• These were award/vesting transactions (code A) and not open-market purchases or sales. The 54,000 performance RSUs vested/converted on March 8, 2026; the 10,736 RSUs are time-based grants that vest in future installments beginning March 8, 2027. The withheld 26,169 shares represent routine tax withholding (a cashless-style settlement), not an open-market sale.